Humans
How to be happy (but not too much)
It's good for your health, it makes you smarter – and our brains are hard-wired for it. ¿ìè¶ÌÊÓÆµ counts our reasons to be cheerful
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It's good for your health, it makes you smarter – and our brains are hard-wired for it. ¿ìè¶ÌÊÓÆµ counts our reasons to be cheerful
The hallmark of the human brain – its enormous cortex – can be traced back 600 million years to the ancestor of a primitive worm